Hatoyama, Yukio(yo͞o`kēō hätō`yämä), 1947–, Japanese politician, grad. Tokyo Univ. (B.S., 1969), Stanford (Ph.D, 1976). Though his grandfather was Prime Minister Ichiro HatoyamaHatoyama, Ichiro
, 1883–1959, Japanese statesman. A graduate of the law school of Tokyo Imperial Univ., he was first elected to the lower house of the Japanese legislature in 1915. Hatoyama was education minister in the Inukai and Saito cabinets (1931–34).
..... Click the link for more information. and his father was foreign minister, he trained as an engineer and did not run for office until 1986, when he was first elected to the Diet. In 1993 he left the Liberal Democratic partyLiberal Democratic party
(LDP), Japanese political party. It began as the conservative Liberal party, which, under Shigeru Yoshida, became the dominant political force in Japan following World War II. In 1955 the Liberals merged with the newly created Democratic party.
..... Click the link for more information. (LDP), which his grandfather had cofounded, and served in a secondary cabinet post (1993–94) in a short-lived coalition government. Hatoyama cofounded the Democratic party of Japan (DPJ) in 1996, and later served as DPJ leader (1999–2002, 2009–10). In 2009, after the party's landslide win over the LDP, he became prime minister. He resigned as prime minister and DPJ leader in mid-2010 after he agreed, despite campaign promises to the contrary, to continue to permit the basing of U.S. forces on Okinawa. Naoto KanKan, Naoto,
1946–, Japanese political leader, grad. Tokyo Institute of Technology (1970). A civic activist and long-time opponent of the Liberal Democratic party, he first was elected to the Diet in 1980 as a Social Democrat.
..... Click the link for more information. succeeded him in both posts; Hatoyama retired from politics in 2012.